Allure Gripstrip vs. Allure Ultra interlock

[Joseph Mercer]

I'm pretty sure I will use Traffic Master Allure for my rental renovations. I don't have enough gut on choosing Allure Ultra interlocking ($2.99) vs. the normal Allure w/ Gripstrip ($1.89).

1. I want to use the same floor across the entire house if possible (living room, kitchen, bathroom, bedroom). I've heard the gripstrip doesn't hold up well in wet areas like bath/kitchen. Anyone with any experience? Does it worth to purchase the more expensive Ultra type?

2. Also manufacturer said these floor needs 65-85 F temperature - so if there is vacancy in the winter, the house temperature needs to be set at 65 or higher?

3. What's the typical installation cost on these type of floors if you hire out in the Cleveland area? I have some guy quoted me about $1 per sqft.

4. Also, what the color choice? My rentals have the SW agreeable gray wall, white trim.